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-rw-r--r--third_party/heimdal/lib/roken/dumpdata.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/roken/dumpdata.c b/third_party/heimdal/lib/roken/dumpdata.c
new file mode 100644
index 00000000000..252744e28e2
--- /dev/null
+++ b/third_party/heimdal/lib/roken/dumpdata.c
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+/*
+ * Copyright (c) 2005 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <config.h>
+
+#include "roken.h"
+
+/*
+ * Write datablob to a filename, don't care about errors.
+ */
+
+ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL
+rk_dumpdata (const char *filename, const void *buf, size_t size)
+{
+ int fd;
+
+ fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0640);
+ if (fd < 0)
+ return;
+ net_write(fd, buf, size);
+ close(fd);
+}
+
+/*
+ * Read all data from a filename, care about errors.
+ */
+
+ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
+rk_undumpdata(const char *filename, void **buf, size_t *size)
+{
+ struct stat sb;
+ int fd, ret;
+ ssize_t sret;
+
+ *buf = NULL;
+
+ fd = open(filename, O_RDONLY, 0);
+ if (fd < 0)
+ return errno;
+ if (fstat(fd, &sb) != 0){
+ ret = errno;
+ goto out;
+ }
+ *buf = malloc(sb.st_size);
+ if (*buf == NULL) {
+ ret = ENOMEM;
+ goto out;
+ }
+ *size = sb.st_size;
+
+ sret = net_read(fd, *buf, *size);
+ if (sret < 0)
+ ret = errno;
+ else if (sret != (ssize_t)*size)
+ ret = EINVAL;
+ else
+ ret = 0;
+
+ out:
+ if (ret) {
+ free(*buf);
+ *buf = NULL;
+ }
+ close(fd);
+ return ret;
+}